replaced space.subsection quadruplet with coord pair

2 files changed, 7 insertions, 7 deletions

diff --git a/space.js b/space.js
index ae0ee50..50ae16c 100644
--- a/space.js
+++ b/space.js
@@ -111,14 +111,14 @@ function Space(){ // CLASS
     } if (match) break;}
     return loc;
   }
-  this.subsection = function(range){ // range is a standard quadruplet
+
+  this.subsection = function(range){ // range is a coordinate pair
+    // Similarly excludes this.loc
     newspace = new Space();
-    for (let line=0; line<=range[2]-range[0]; line++){
+    for (let line=range[0][0]; line<=range[1][0]; line++){
       newspace.data.push([]);
-      for (let chr=0; chr<=range[3]-range[1]; chr++){
-        newspace.data[line].push(
-          this.data[line+range[0]][chr+range[1]] || ''
-        );
+      for (let chr=range[0][1]; chr<=range[1][1]; chr++){
+        newspace.data[line-range[0][0]].push(this.data[line][chr] || '');
       }
     }
     return newspace;
diff --git a/tests/space_subsection.js b/tests/space_subsection.js
index b30b7e1..216b404 100644
--- a/tests/space_subsection.js
+++ b/tests/space_subsection.js
@@ -7,4 +7,4 @@ line\n\
 \n\
 long long long line\
 ');
-console.log(newspace.subsection([1,1,2,10]));
+console.log(newspace.subsection([[1,1],[2,10]]));